1. Identification of an Inorganic Salt – Deduction of a salt’s identity based on chemical tests involving sodium hydroxide, nitric acid, and silver nitrate. 2. Mass Spectrometry and Isotopes – Interpretation of mass spectrometric data to determine the isotopes of a diatomic molecule. 3. Enthalpy Change of Neutralization – Calculation of the enthalpy change for the reaction between nitric acid and sodium hydroxide using experimental data. 4. Transition Metals and Complex Ions – Analysis of oxidation states, ligand bonding, and electronic transitions in transition metal complexes. 5. Electrochemical Cell Reactions – Calculation of standard electrode potentials and determination of cell reactions using given half-equations. 6. Entropy and Free Energy Calculations – Computation of entropy changes and equilibrium constants for reactions at different temperatures.